Home / 13,836,419.20-20,754,628.80-8,810,012.80

Finding the Fourth Proportional to 13,836,419.20, 20,754,628.80 and 8,810,012.80

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Solution

The fourth proportional to 13,836,419.20, 20,754,628.80 and 8,810,012.80 is: 13,215,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836,419.20 : 20,754,628.80 = 8,810,012.80 : x
  2. Step 2: Convert to fraction form
    13,836,419.20/20,754,628.80 = 8,810,012.80/x
  3. Step 3: Cross multiply
    13,836,419.20x = 20,754,628.80 × 8,810,012.80
  4. Step 4: Simplify right side
    13,836,419.20x = 182,848,545,387,248.66
  5. Step 5: Solve for x
    x = 182,848,545,387,248.66/13,836,419.20
  6. Step 6: Final answer
    x = 13,215,019.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.